one more time

1 files changed, 542 insertions, 0 deletions

diff --git a/libraries/openjpeg-libsl/libopenjpeg/mqc.c b/libraries/openjpeg-libsl/libopenjpeg/mqc.c
new file mode 100644
index 0000000..e6dd007
--- /dev/null
+++ b/libraries/openjpeg-libsl/libopenjpeg/mqc.c
@@ -0,0 +1,542 @@
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup MQC MQC - Implementation of an MQ-Coder */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Output a byte, doing bit-stuffing if necessary.
+After a 0xff byte, the next byte must be smaller than 0x90.
+@param mqc MQC handle
+*/
+static void mqc_byteout(opj_mqc_t *mqc);
+/**
+Renormalize mqc->a and mqc->c while encoding, so that mqc->a stays between 0x8000 and 0x10000
+@param mqc MQC handle
+*/
+static void mqc_renorme(opj_mqc_t *mqc);
+/**
+Encode the most probable symbol
+@param mqc MQC handle
+*/
+static void mqc_codemps(opj_mqc_t *mqc);
+/**
+Encode the most least symbol
+@param mqc MQC handle
+*/
+static void mqc_codelps(opj_mqc_t *mqc);
+/**
+Fill mqc->c with 1's for flushing
+@param mqc MQC handle
+*/
+static void mqc_setbits(opj_mqc_t *mqc);
+/**
+FIXME: documentation ???
+@param mqc MQC handle
+@return 
+*/
+static int mqc_mpsexchange(opj_mqc_t *mqc);
+/**
+FIXME: documentation ???
+@param mqc MQC handle
+@return 
+*/
+static int mqc_lpsexchange(opj_mqc_t *mqc);
+/**
+Input a byte
+@param mqc MQC handle
+*/
+static void mqc_bytein(opj_mqc_t *mqc);
+/**
+Renormalize mqc->a and mqc->c while decoding
+@param mqc MQC handle
+*/
+static void mqc_renormd(opj_mqc_t *mqc);
+
+/*@}*/
+
+/*@}*/
+
+/* <summary> */
+/* This array defines all the possible states for a context. */
+/* </summary> */
+static opj_mqc_state_t mqc_states[47 * 2] = {
+        {0x5601, 0, &mqc_states[2], &mqc_states[3]},
+        {0x5601, 1, &mqc_states[3], &mqc_states[2]},
+        {0x3401, 0, &mqc_states[4], &mqc_states[12]},
+        {0x3401, 1, &mqc_states[5], &mqc_states[13]},
+        {0x1801, 0, &mqc_states[6], &mqc_states[18]},
+        {0x1801, 1, &mqc_states[7], &mqc_states[19]},
+        {0x0ac1, 0, &mqc_states[8], &mqc_states[24]},
+        {0x0ac1, 1, &mqc_states[9], &mqc_states[25]},
+        {0x0521, 0, &mqc_states[10], &mqc_states[58]},
+        {0x0521, 1, &mqc_states[11], &mqc_states[59]},
+        {0x0221, 0, &mqc_states[76], &mqc_states[66]},
+        {0x0221, 1, &mqc_states[77], &mqc_states[67]},
+        {0x5601, 0, &mqc_states[14], &mqc_states[13]},
+        {0x5601, 1, &mqc_states[15], &mqc_states[12]},
+        {0x5401, 0, &mqc_states[16], &mqc_states[28]},
+        {0x5401, 1, &mqc_states[17], &mqc_states[29]},
+        {0x4801, 0, &mqc_states[18], &mqc_states[28]},
+        {0x4801, 1, &mqc_states[19], &mqc_states[29]},
+        {0x3801, 0, &mqc_states[20], &mqc_states[28]},
+        {0x3801, 1, &mqc_states[21], &mqc_states[29]},
+        {0x3001, 0, &mqc_states[22], &mqc_states[34]},
+        {0x3001, 1, &mqc_states[23], &mqc_states[35]},
+        {0x2401, 0, &mqc_states[24], &mqc_states[36]},
+        {0x2401, 1, &mqc_states[25], &mqc_states[37]},
+        {0x1c01, 0, &mqc_states[26], &mqc_states[40]},
+        {0x1c01, 1, &mqc_states[27], &mqc_states[41]},
+        {0x1601, 0, &mqc_states[58], &mqc_states[42]},
+        {0x1601, 1, &mqc_states[59], &mqc_states[43]},
+        {0x5601, 0, &mqc_states[30], &mqc_states[29]},
+        {0x5601, 1, &mqc_states[31], &mqc_states[28]},
+        {0x5401, 0, &mqc_states[32], &mqc_states[28]},
+        {0x5401, 1, &mqc_states[33], &mqc_states[29]},
+        {0x5101, 0, &mqc_states[34], &mqc_states[30]},
+        {0x5101, 1, &mqc_states[35], &mqc_states[31]},
+        {0x4801, 0, &mqc_states[36], &mqc_states[32]},
+        {0x4801, 1, &mqc_states[37], &mqc_states[33]},
+        {0x3801, 0, &mqc_states[38], &mqc_states[34]},
+        {0x3801, 1, &mqc_states[39], &mqc_states[35]},
+        {0x3401, 0, &mqc_states[40], &mqc_states[36]},
+        {0x3401, 1, &mqc_states[41], &mqc_states[37]},
+        {0x3001, 0, &mqc_states[42], &mqc_states[38]},
+        {0x3001, 1, &mqc_states[43], &mqc_states[39]},
+        {0x2801, 0, &mqc_states[44], &mqc_states[38]},
+        {0x2801, 1, &mqc_states[45], &mqc_states[39]},
+        {0x2401, 0, &mqc_states[46], &mqc_states[40]},
+        {0x2401, 1, &mqc_states[47], &mqc_states[41]},
+        {0x2201, 0, &mqc_states[48], &mqc_states[42]},
+        {0x2201, 1, &mqc_states[49], &mqc_states[43]},
+        {0x1c01, 0, &mqc_states[50], &mqc_states[44]},
+        {0x1c01, 1, &mqc_states[51], &mqc_states[45]},
+        {0x1801, 0, &mqc_states[52], &mqc_states[46]},
+        {0x1801, 1, &mqc_states[53], &mqc_states[47]},
+        {0x1601, 0, &mqc_states[54], &mqc_states[48]},
+        {0x1601, 1, &mqc_states[55], &mqc_states[49]},
+        {0x1401, 0, &mqc_states[56], &mqc_states[50]},
+        {0x1401, 1, &mqc_states[57], &mqc_states[51]},
+        {0x1201, 0, &mqc_states[58], &mqc_states[52]},
+        {0x1201, 1, &mqc_states[59], &mqc_states[53]},
+        {0x1101, 0, &mqc_states[60], &mqc_states[54]},
+        {0x1101, 1, &mqc_states[61], &mqc_states[55]},
+        {0x0ac1, 0, &mqc_states[62], &mqc_states[56]},
+        {0x0ac1, 1, &mqc_states[63], &mqc_states[57]},
+        {0x09c1, 0, &mqc_states[64], &mqc_states[58]},
+        {0x09c1, 1, &mqc_states[65], &mqc_states[59]},
+        {0x08a1, 0, &mqc_states[66], &mqc_states[60]},
+        {0x08a1, 1, &mqc_states[67], &mqc_states[61]},
+        {0x0521, 0, &mqc_states[68], &mqc_states[62]},
+        {0x0521, 1, &mqc_states[69], &mqc_states[63]},
+        {0x0441, 0, &mqc_states[70], &mqc_states[64]},
+        {0x0441, 1, &mqc_states[71], &mqc_states[65]},
+        {0x02a1, 0, &mqc_states[72], &mqc_states[66]},
+        {0x02a1, 1, &mqc_states[73], &mqc_states[67]},
+        {0x0221, 0, &mqc_states[74], &mqc_states[68]},
+        {0x0221, 1, &mqc_states[75], &mqc_states[69]},
+        {0x0141, 0, &mqc_states[76], &mqc_states[70]},
+        {0x0141, 1, &mqc_states[77], &mqc_states[71]},
+        {0x0111, 0, &mqc_states[78], &mqc_states[72]},
+        {0x0111, 1, &mqc_states[79], &mqc_states[73]},
+        {0x0085, 0, &mqc_states[80], &mqc_states[74]},
+        {0x0085, 1, &mqc_states[81], &mqc_states[75]},
+        {0x0049, 0, &mqc_states[82], &mqc_states[76]},
+        {0x0049, 1, &mqc_states[83], &mqc_states[77]},
+        {0x0025, 0, &mqc_states[84], &mqc_states[78]},
+        {0x0025, 1, &mqc_states[85], &mqc_states[79]},
+        {0x0015, 0, &mqc_states[86], &mqc_states[80]},
+        {0x0015, 1, &mqc_states[87], &mqc_states[81]},
+        {0x0009, 0, &mqc_states[88], &mqc_states[82]},
+        {0x0009, 1, &mqc_states[89], &mqc_states[83]},
+        {0x0005, 0, &mqc_states[90], &mqc_states[84]},
+        {0x0005, 1, &mqc_states[91], &mqc_states[85]},
+        {0x0001, 0, &mqc_states[90], &mqc_states[86]},
+        {0x0001, 1, &mqc_states[91], &mqc_states[87]},
+        {0x5601, 0, &mqc_states[92], &mqc_states[92]},
+        {0x5601, 1, &mqc_states[93], &mqc_states[93]},
+};
+
+/* 
+==========================================================
+   local functions
+==========================================================
+*/
+
+static void mqc_byteout(opj_mqc_t *mqc) {
+        if (*mqc->bp == 0xff) {
+                mqc->bp++;
+                *mqc->bp = mqc->c >> 20;
+                mqc->c &= 0xfffff;
+                mqc->ct = 7;
+        } else {
+                if ((mqc->c & 0x8000000) == 0) {        /* ((mqc->c&0x8000000)==0) CHANGE */
+                        mqc->bp++;
+                        *mqc->bp = mqc->c >> 19;
+                        mqc->c &= 0x7ffff;
+                        mqc->ct = 8;
+                } else {
+                        (*mqc->bp)++;
+                        if (*mqc->bp == 0xff) {
+                                mqc->c &= 0x7ffffff;
+                                mqc->bp++;
+                                *mqc->bp = mqc->c >> 20;
+                                mqc->c &= 0xfffff;
+                                mqc->ct = 7;
+                        } else {
+                                mqc->bp++;
+                                *mqc->bp = mqc->c >> 19;
+                                mqc->c &= 0x7ffff;
+                                mqc->ct = 8;
+                        }
+                }
+        }
+}
+
+static void mqc_renorme(opj_mqc_t *mqc) {
+        do {
+                mqc->a <<= 1;
+                mqc->c <<= 1;
+                mqc->ct--;
+                if (mqc->ct == 0) {
+                        mqc_byteout(mqc);
+                }
+        } while ((mqc->a & 0x8000) == 0);
+}
+
+static void mqc_codemps(opj_mqc_t *mqc) {
+        mqc->a -= (*mqc->curctx)->qeval;
+        if ((mqc->a & 0x8000) == 0) {
+                if (mqc->a < (*mqc->curctx)->qeval) {
+                        mqc->a = (*mqc->curctx)->qeval;
+                } else {
+                        mqc->c += (*mqc->curctx)->qeval;
+                }
+                *mqc->curctx = (*mqc->curctx)->nmps;
+                mqc_renorme(mqc);
+        } else {
+                mqc->c += (*mqc->curctx)->qeval;
+        }
+}
+
+static void mqc_codelps(opj_mqc_t *mqc) {
+        mqc->a -= (*mqc->curctx)->qeval;
+        if (mqc->a < (*mqc->curctx)->qeval) {
+                mqc->c += (*mqc->curctx)->qeval;
+        } else {
+                mqc->a = (*mqc->curctx)->qeval;
+        }
+        *mqc->curctx = (*mqc->curctx)->nlps;
+        mqc_renorme(mqc);
+}
+
+static void mqc_setbits(opj_mqc_t *mqc) {
+        unsigned int tempc = mqc->c + mqc->a;
+        mqc->c |= 0xffff;
+        if (mqc->c >= tempc) {
+                mqc->c -= 0x8000;
+        }
+}
+
+static int mqc_mpsexchange(opj_mqc_t *mqc) {
+        int d;
+        if (mqc->a < (*mqc->curctx)->qeval) {
+                d = 1 - (*mqc->curctx)->mps;
+                *mqc->curctx = (*mqc->curctx)->nlps;
+        } else {
+                d = (*mqc->curctx)->mps;
+                *mqc->curctx = (*mqc->curctx)->nmps;
+        }
+        
+        return d;
+}
+
+static int mqc_lpsexchange(opj_mqc_t *mqc) {
+        int d;
+        if (mqc->a < (*mqc->curctx)->qeval) {
+                mqc->a = (*mqc->curctx)->qeval;
+                d = (*mqc->curctx)->mps;
+                *mqc->curctx = (*mqc->curctx)->nmps;
+        } else {
+                mqc->a = (*mqc->curctx)->qeval;
+                d = 1 - (*mqc->curctx)->mps;
+                *mqc->curctx = (*mqc->curctx)->nlps;
+        }
+        
+        return d;
+}
+
+static void mqc_bytein(opj_mqc_t *mqc) {
+        if (mqc->bp != mqc->end) {
+                unsigned int c;
+                if (mqc->bp + 1 != mqc->end) {
+                        c = *(mqc->bp + 1);
+                } else {
+                        c = 0xff;
+                }
+                if (*mqc->bp == 0xff) {
+                        if (c > 0x8f) {
+                                mqc->c += 0xff00;
+                                mqc->ct = 8;
+                        } else {
+                                mqc->bp++;
+                                mqc->c += c << 9;
+                                mqc->ct = 7;
+                        }
+                } else {
+                        mqc->bp++;
+                        mqc->c += c << 8;
+                        mqc->ct = 8;
+                }
+        } else {
+                mqc->c += 0xff00;
+                mqc->ct = 8;
+        }
+}
+
+static void mqc_renormd(opj_mqc_t *mqc) {
+        do {
+                if (mqc->ct == 0) {
+                        mqc_bytein(mqc);
+                }
+                mqc->a <<= 1;
+                mqc->c <<= 1;
+                mqc->ct--;
+        } while (mqc->a < 0x8000);
+}
+
+/* 
+==========================================================
+   MQ-Coder interface
+==========================================================
+*/
+
+opj_mqc_t* mqc_create() {
+        opj_mqc_t *mqc = (opj_mqc_t*)opj_malloc(sizeof(opj_mqc_t));
+        return mqc;
+}
+
+void mqc_destroy(opj_mqc_t *mqc) {
+        if(mqc) {
+                opj_free(mqc);
+        }
+}
+
+int mqc_numbytes(opj_mqc_t *mqc) {
+        return mqc->bp - mqc->start;
+}
+
+void mqc_init_enc(opj_mqc_t *mqc, unsigned char *bp) {
+        mqc_setcurctx(mqc, 0);
+        mqc->a = 0x8000;
+        mqc->c = 0;
+        mqc->bp = bp - 1;
+        mqc->ct = 12;
+        if (*mqc->bp == 0xff) {
+                mqc->ct = 13;
+        }
+        mqc->start = bp;
+}
+
+void mqc_setcurctx(opj_mqc_t *mqc, int ctxno) {
+        mqc->curctx = &mqc->ctxs[ctxno];
+}
+
+void mqc_encode(opj_mqc_t *mqc, int d) {
+        if ((*mqc->curctx)->mps == d) {
+                mqc_codemps(mqc);
+        } else {
+                mqc_codelps(mqc);
+        }
+}
+
+void mqc_flush(opj_mqc_t *mqc) {
+        mqc_setbits(mqc);
+        mqc->c <<= mqc->ct;
+        mqc_byteout(mqc);
+        mqc->c <<= mqc->ct;
+        mqc_byteout(mqc);
+        
+        if (*mqc->bp != 0xff) {
+                mqc->bp++;
+        }
+}
+
+void mqc_bypass_init_enc(opj_mqc_t *mqc) {
+        mqc->c = 0;
+        mqc->ct = 8;
+        /*if (*mqc->bp == 0xff) {
+        mqc->ct = 7;
+     } */
+}
+
+void mqc_bypass_enc(opj_mqc_t *mqc, int d) {
+        mqc->ct--;
+        mqc->c = mqc->c + (d << mqc->ct);
+        if (mqc->ct == 0) {
+                mqc->bp++;
+                *mqc->bp = mqc->c;
+                mqc->ct = 8;
+                if (*mqc->bp == 0xff) {
+                        mqc->ct = 7;
+                }
+                mqc->c = 0;
+        }
+}
+
+int mqc_bypass_flush_enc(opj_mqc_t *mqc) {
+        unsigned char bit_padding;
+        
+        bit_padding = 0;
+        
+        if (mqc->ct != 0) {
+                while (mqc->ct > 0) {
+                        mqc->ct--;
+                        mqc->c += bit_padding << mqc->ct;
+                        bit_padding = (bit_padding + 1) & 0x01;
+                }
+                mqc->bp++;
+                *mqc->bp = mqc->c;
+                mqc->ct = 8;
+                mqc->c = 0;
+        }
+        
+        return 1;
+}
+
+void mqc_reset_enc(opj_mqc_t *mqc) {
+        mqc_resetstates(mqc);
+        mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+        mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+        mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+}
+
+int mqc_restart_enc(opj_mqc_t *mqc) {
+        int correction = 1;
+        
+        /* <flush part> */
+        int n = 27 - 15 - mqc->ct;
+        mqc->c <<= mqc->ct;
+        while (n > 0) {
+                mqc_byteout(mqc);
+                n -= mqc->ct;
+                mqc->c <<= mqc->ct;
+        }
+        mqc_byteout(mqc);
+        
+        return correction;
+}
+
+void mqc_restart_init_enc(opj_mqc_t *mqc) {
+        /* <Re-init part> */
+        mqc_setcurctx(mqc, 0);
+        mqc->a = 0x8000;
+        mqc->c = 0;
+        mqc->ct = 12;
+        mqc->bp--;
+        if (*mqc->bp == 0xff) {
+                mqc->ct = 13;
+        }
+}
+
+void mqc_erterm_enc(opj_mqc_t *mqc) {
+        int k = 11 - mqc->ct + 1;
+        
+        while (k > 0) {
+                mqc->c <<= mqc->ct;
+                mqc->ct = 0;
+                mqc_byteout(mqc);
+                k -= mqc->ct;
+        }
+        
+        if (*mqc->bp != 0xff) {
+                mqc_byteout(mqc);
+        }
+}
+
+void mqc_segmark_enc(opj_mqc_t *mqc) {
+        int i;
+        mqc_setcurctx(mqc, 18);
+        
+        for (i = 1; i < 5; i++) {
+                mqc_encode(mqc, i % 2);
+        }
+}
+
+void mqc_init_dec(opj_mqc_t *mqc, unsigned char *bp, int len) {
+        mqc_setcurctx(mqc, 0);
+        mqc->start = bp;
+        mqc->end = bp + len;
+        mqc->bp = bp;
+        if (len==0) mqc->c = 0xff << 16;
+        else mqc->c = *mqc->bp << 16;
+        mqc_bytein(mqc);
+        mqc->c <<= 7;
+        mqc->ct -= 7;
+        mqc->a = 0x8000;
+}
+
+int mqc_decode(opj_mqc_t *mqc) {
+        int d;
+        mqc->a -= (*mqc->curctx)->qeval;
+        if ((mqc->c >> 16) < (*mqc->curctx)->qeval) {
+                d = mqc_lpsexchange(mqc);
+                mqc_renormd(mqc);
+        } else {
+                mqc->c -= (*mqc->curctx)->qeval << 16;
+                if ((mqc->a & 0x8000) == 0) {
+                        d = mqc_mpsexchange(mqc);
+                        mqc_renormd(mqc);
+                } else {
+                        d = (*mqc->curctx)->mps;
+                }
+        }
+
+        return d;
+}
+
+void mqc_resetstates(opj_mqc_t *mqc) {
+        int i;
+        for (i = 0; i < MQC_NUMCTXS; i++) {
+                mqc->ctxs[i] = mqc_states;
+        }
+}
+
+void mqc_setstate(opj_mqc_t *mqc, int ctxno, int msb, int prob) {
+        mqc->ctxs[ctxno] = &mqc_states[msb + (prob << 1)];
+}
+
+